Issuing vouchers in cash registers



June 21, 1932. K. Iiii-immuni ETAL 1,864,445

A IssUING VOUCHERS 1N CASH REGISTEBS l Filed July 3l, 1928 4 Sheets-Sheet l June 21, 1932.. K. A. LEHMANN ET AL IssUING voUcHERsvIN CASH REG ISTERS 4 Sheets-Sheet 2 Filed July 3l, 1928 June 2l, 1932.

K. A. LEHMANN ETAL IssUING VOUCHERS IN cAsH REGIsTERs Filed July 5l, 1928 4 Sheets-Sheet I5 June 21, 1932. K. A. LEHMANN/'ET Al. 1,864,446`

ISSUING VOUCHERS IN CASH REGISTERS Filed July 51,1928 4 Sheets-Sheet 4 Patented June 21, 1932 UNITED STATES PATEN'E OFFICE KARL AUGUST LEHMANN AND ALEXANDER VABREN, OF GERMANY, ASSIGNOBB TO FRIED. KBUPP AKTIENGESELLSCHAFT, F ESSEN-ON-THE-RUHR, GERMANY ISSUING VOUCHERS IN CASH REGISTERS Application med July 31, 1928, Serial 110.296,438, and in Germany September 17, i927.

The invention relates to a cash register equipped with a mechanism for issuing besides an original voucher one or more duplicates thereof, as is required with certain transactions, e.'g. a carriage bill'and some duplicates thereof. In transactions of this nature the value amount appearing on the `vouchers has to be transmitted to the adding mechanism only once and the consecutive number of the original lvoucher must correspond to that appearing on the duplicates.

When the issue of the original voucher and the appurtenant duplicates is executed 1n one single operation of the machine, very complicated printing and paper feeding mechanisms are required, which considerably raise the costs of manufacture of the machine and reduce the reliability of its mode of operation.

In order to perform, in an ordinary cash register, the issue of these vouchers according to our invention without the mentioned prmting and paper feeding mechanisms, this issue takes place in successive operations, the operation by which the original voucher is Aissued preparing the duplicate issuing operations, while arrepeated setting of the values appearing on the original voucher and the duplicates and their addition is prevented in the duplicate issuing operations by mechanisms influenced during the operation Ithat issues the original voucher.

Hence, as many cash operations are required in the present cash register, as vouchers are to be issued, whilst the setting of the value amount takes place only once, the feed of the consecutive number is thrown out during the duplicate issuing operation, and the set value amount is transmitted to the adding mechanism only once, namely during the operation that issues the original voucher.

In order that our invention may be more easily understood, a 'preferred embodiment of it is illustrated by way of example in the drawings which'accoinpany and form part of` this specication. In these drawings:

Figures 1 and 2 vare lateral views of the mechanism serving to issue a duplicate voucher,

Figure 3 1s a fragmentary side view of a Fig. 5 is a side elevation of the printing f mechanism, v

Fig. 6 is a front elevation of the driving parts for the adding mechanism and printing mechanism.

The amount keysl 10 co-operate in a wellknown manner with locking rockers 12, illustrated as broken away in Figure 1. Upon depression of an. amount key, the rockers 12 are raised andheld in this position by locking supports 13 rocked backward by spring action, until the latter return to initial position, whereby the rockers 12 and the depressed amount keys also return to initial position. The locking supports 13 are moved back by a releasing shaft 14, the pins 15 of which engagelugs 16 of the supports 13 and take the latter with them. The rotation of the releasing shaft 14 is caused by a cam disk 17 at the end of the operation, said cam disk acting through a roller 18 on an extension 19 of a thrust rod 21. The latter has an angular slot22 into which projects a pin 23 of an arm 24 fixed on the releasing shaft 14. As long as this pin 23 engages the horizontal section of the angle slot 22, the arm 24 and the releasing shaft 14 take part in the motion of the thrust rod 21, however, when the latter is swung to the left, so that the pin engages the upper end of the vertical sec- -tion of slot 22, the releasing shaft 14 is not acted upon by rod 21 and no release of the amount keys takes place at the end of the operation. The rod 21 further has another slot 25 engaged by a pin 26 of a double-armed lever 27 the other arm of which has a pin 28 engaging a locking slide 29. The locking slide co-operates with the pins 31, 32, 33' of three special keys E, O, D, lserving to start the cash operations. By depressing normal key E a -normal operationv takes place'issuing a simple voucher without an action upon the subsequent operations.v By depressing repeat key O an operation is caused in which `an original voucher is issued, and the matreme positions. Bydepressing key D the slide 29 is shifted' by the inclined ace 35 into' its lower eXtreme position, Figure 1, whilst by depressing key O it is shifted into the upper one by the inclined face 34. In this latter position of slide 29 a locking face 39 arranged on it lies below pin 31 of key E, and further the thrust rod 21 is swung toward the left through the intermediary of lever 27, so that by depressing key O key E is locked and the release of the amount keys is prevented.

A locking segment 42 is pivotally mounted at 41 on slide 29 in the plane of the key pins 32, 33, which segment is resiliently held in a. middle position by a spring 43 attached to a downwardly extending arm 44 of segment 42. In this middle position of segment 42 a locking face 45 arranged concentrically to pivot pin 41, and two inclined faces 46, 47 limiting face 45 are located symmetrically to the inclined faces 34, 35 of slide 29. When the latter is in its lower extreme posi# tlon, Figure 1, the lower portion of the locking face 45 is below pin 33 of key D. Due to face 45 being arranged concentrically to pivot pin 41, the key D is hereby locked, as the force exerted uponsegment 42 by the pressure exerted on key D is normal to the point of contact and passes through the fulcrum of segment 42, so that the latter is unable to give way laterally..` In the same manner key O is locked by segment 42, when slide 29 assumes its upper extreme position.

The hereinbefore described arrangement serves to lock the keys O and D, when they return to position of rest, so that in every ycase only one of them and each of them only once can be depressed. For, when slide 29 is in its extreme lower position illustrated in Figure 1, in which the key D is locked, and when key O is now depressed, slide 29 is shifted by the inclined face 34 into the extreme upper position together with segment 42, in which position key D is re1eased by the locking face 45. The pin 32 of key O has at the same time arrived behind the inclined face 46 of segment 42. Upon key O now being returned into position of rest at the end of the operation concerned, pin 32, by engaging the inclined face 46, presses segment 42 downward against the action of s ring 4 3, unti1 gf-in 32 assumes its position o rest,

when segment 42 snaps back and the locking face 45 engages below pin 32 and thus locks key O. In the same manner ke D is locked upon returning from depresse position to position of rest.

The locking of the special keys E, O, D in the depressed position is eected like that of the amount keys by a locking rocker 48, but no locking support 13 mounted on shaft 14 is provided for this locking rocker of the special key board. On the contrary, the locking rocker 48 has a lug 49 thatco-operates with the front arm 51 of the cash releasing lever 52. The latter co-operates through a roller 53 of its rear arm 54 with an inclined face 57 arranged on an arm 55 rigid on the main actuating shat 56. In the position of rest of the machine the hook-shaped front end 58 of arm 51 abul's on the upper face of lug 49 under the action of a spring 60, the rear arm 54 being swung downwards and locking the driving mechanism. When a special key is depressed, e. g. key E, as shown in Figure 1, the locking rocker 48 is rocked upwards, so that the lug 49 releases the hook 58 and the cash operation is thus released in known manner.4 The hook 58 a1"- rives at the same time below the lug 49 and maintains the rocker 48 in the raised position and thedepressed special key in the depressed position. At the end of the operation of the machine the releasing lever 52 is swung back through the intermediary of the inclined face 57 and roller 53 into locking position, by which motion it releases the rocker 48 and the depressed special key, which both return to position of rest under the action of their sprmgs.

In order to prevent the amount introduced by the amount ke s from being transmitted to the adding mec anism 20 during a duplicate issuing operation, the disengagement of this mechanism is prepared by the depression of key D. To this end the key pin 33, Figure 2, co-operates with a lever 59, 61, which, through the intermediary of a. roller 61 and anintermediate lever 62, 63, acts upon a double lever 65, 66 fast on4 a shaft 64. The double lever 65, 66 is adapted to cooperate by means of a roller 67 with a cam diskl 68 and assumes the position shown in Figure 2, when key D has not been depressed, in which position the roller 67 is out of the path of the rise 69 of the disk 68. Upon depressing key- D, roller 67 is rocked into the path of rise 69 through the intermediary of.levers 59, 61, 62, 63 and 65, 66, so that lever 65, 66 may have imparted to it a farther rotation by the disk 68'in the subsequent cash operation. A second two-armed lever 70 rigidly mounted on shaft 64 is brought, upon depression of key D, into a -position in which a pin 109 thereon is in contact with a rockingframe 105 rotatably mounted upon a stationary shaft 106 (Fig.

aul

- 101k (Fig. 4) and a setting device of the type shown in Patent No. 1,508,953. The toothed kwheel 103 is mounted to rotate freely on the same hollow shaft and is in constant engagement with a toothed wheel 110 rigidly fixedto a number wheel 20, so that the adjustment of the setting segment 101 is carried over to the adding mechanism-20,- when the coupling pinion 104 isthrown'in. On vthe other hand the transmission is prevented when, by depression of key D the roller 67 is brought lnto the path of the cam disk 68 and the'pin 109 in engagement with the rocking fame 10,5, for in the following operation of the machine the additional turning of the V,shaft 64 by roller 67 and lever 66 swings out the pin 109 and the rocking frame 105 and .thereby throws out the coupling pinion 104, so that only the toothed wheel 102 is turned and the type segment 108' adjusted while the adding mechamsm 20 remains stationary. The second arm of lever 701s under' the iniuence of a spring, whichycauses the restoration of the two-armed levers 66, 63, 62 ;61, 59 when the keyD is release 1 i Y By the depression of key D the consecutive number feeding mechanismis thrown out of y operation at the same time. This mechanism is actuated by a cam 71, Figure 2", that acts upon a' roller 72'of a lever 75 mounted on a journal 74 and urged in clockwise direction by a spring 7 3. Lever v75 lisl further hingedly connected to a rod 76 by a pin 78 engaging an open'slot 77 ofthe rod 76. The rod 76 is coupled by ay connecting piny 98 to the rocker 79 of the` consecutive number mechanism (not shown). The connecting'pin 98 carries in known manner a shifting, pawl 99 provided with lseveral arms of 'dierent engths and under the influence Vof a spring, which pawl operates upon the transmission wheels 100 and controls the advancing of the consecutive number in known manner (Figs. 5 and 6). A platen 112 cooperating with l): th the consecutive number type wheels con, ect,- ed with transmission wheels 100,'and with the amount type se ments 108 isoperatcd in known manner by t e driving mechanism of the machine to take van impression. In the revolution of cam 71 occurring duringleach cash operation, the rocker 79 is rocked to and fro once, this motion eac-h time causing the mechanism to be fed one unit. A link 81 is connected to rod 76, which link is in connectionpwith the lever 59, 61 through an angle lever 82 and another linkl 83. Upon the key D being depressed, due .to this connection the rod 76 is rocked upwards, whereby the connection bet-Ween the rocker 7 9 and the lever 75 is interrupted. As long as key D is depressed, a feedin of the consecutive number thus does not ta e place.

The described arrangement, that is intended for the issue of one duplicate, operates in the following manner:

In the normal position of the machine the.

locking vslide 29 assumes its lower extreme position, in which the keys E and O are released-and key Dis locked by segment 42. Now, when key E is depressed, after the amount keys have been set, a cash operation takes place, in which the amount set is transmitted to the adding mechanism, the consecutive number is fed and a voucher is issued. At. the end of' the cash operation the depressed amount keys are released by rod 21 and the key E by lever 52, so that all the controlling members of the machine assume the same position as before the beginning of the operation. Upon depressingkey E a normal cash operation takes place which has.

no influence upon the subsequent ones.

When, however, the key O is depressed, firstly the locking'slide 29 is vshifted into its upper extreme position and secured therein by pawl 38. This shift resultsinthe rod 21 being rocked forward. At the end of the cash operation, during which the original voucher is issued, the amount is transmitted to the adding mechanism, and 'the consecutive number mechanism is fed one unit, the key O isreleased, butvthe amount keys remain in their set position, as `pin 23 is located in the vertical portion of the angular slot 22. Furthermore, upon slide 29 being shifted upward, the locking face 39 arrives under the key pin 31, while segment 42 passes from the range of key -D over intothat of key O` so that, after key O has returned into position of rest, the keys E and O are locked, but key D is released. As can be seen, the execution of a duplicate issuing operation is thus enforced as a consequence of an operation that issues an original voucher, operation of key O causing the issuance kof an original voucher and at the same time presetting the machine for the operation of key D.

Upon depressing keyD the adding mechanism and the consecutive number feeding mecha-nism are thrown out of gear by the lever 59, 61. so that the amount still set in the amount keys from the preceding operation is not transmitted to the adding mechanism, but is printed on the duplicate. The latter receives also the same consecutive number as the original. The depression of key D further. causes the locking slide 29 to return into its lower position and the horizontal portion of the angle slot 22 to arrive over pin 23, so that the amount keys are releasedat aisy \ locking slide 29 and the number of the returns to position of rest, so that the drive lof the consecutive number feeding mechanism and the adding mechanism are thrown in again. The locklng segment 42 arrives below pin 33 of key D, which segment had release key O when slide 29 moved downward. As pin 31 is also released by the locking face 39, the normal state of the machine is re-established, that is, the keys E and O are released and key D is locked.

In a manner not shown the keys E, O, D effect the setting of a symbol typewheel, by means of which a symbol corresponding to the depressed key is printed on the voucher to be issued, to denote it as normal voucher, original voucher or duplicate. A further control of the recording operation is obtained by printingall impressions also on the control strip.

In order to make the described mechanism applicable to the issue of more than one duplicate, it is modied` as illustrated in Fi ure 3. In this modification the locking slicgle is not moved back into., its lower extreme position upon the lirst depression of key D, but only after a determined adjustable number of lstrokes of key D. The locking slide, which has the same configuration as in the first-described embodiment, carries the locking segment 42, Figure 1, and is resiliently held in its two extreme positions by the pawl 38. For the sake of clearness, segment 42 has been partly out away and pawl 38 entirely omitted in Figure 3. The inclined face 35, however, is cut away, so that the key pin 33 is unable to act immediately upon slide 29.

The key pin 33 of key D carries a springinfluenced pawl 84 co-operating with a series of ratchet teeth 85 of a plate 87 pivoted on the k'ey frame by a pin 86. An upward extension 89 of plate 87 abuts on a stop 91 under the action of a spring 88. When plate 87 is turned in counter-clockwise direction, the extension 89 comes to abut on a stop 92 of the locking slide and carries the latter with it into the lower extreme position. Another stop 93 of slide 29 co-operates with a pawl 94 pivoted on the ke frame and adapted to engage the series o ratchet teeth 85 under the action of a spring 95. Upon the slide 29 moving however from the upper to the lower extreme position, the pawl 94 is lifted from the teeth 85 by the stop 93. The stop 91 is carried by an adjusting member 96 which is rocking'ly mounted on the pin.86 and an adjusting arm 97 of which projects beyond the cabinet of the machine. ABy suitable means (not shown) the arm 97 may be fixed in different angular positions denoted by 1, 2, 3, whereby the extension 89 of plate 87 is made to approach more or less, the stop 92 of the duplicates to be issued is regulated.

'N In the normal position of the machine the described mechanism assumes the osition illustrated in Figure 3. It may e supposed,that the arm 97 has been set to osition 2 (issue of two duplicates). Upon epressing key O, slide 29 is shifted into the upper extreme position by means of the inclined face 34, whereby the pawl 94 is released by stop 93 and falls into the series of teeth 85. At the end of the machine operation initiated by key O the amount keys remain in their set position, key O is locked by se ment 42, Figure 1, and key D is released. pon now depressing key D, plate 87 is turned one unit by pawl 84 and is held in the new position by pawl 94. At the end of the cash operation, in which the adding mechanism and the drive of the consecutive number mechanism remain out of gear due to the action of key D on lever 59, 61, Figure 2, ke D is released. The keys O and E remain lb as before and also the amount keys are retained in the set position, as slide 29 is still in the upper extreme position. To start the next operation only key D can be depressed. By this depression plate 87 is turned one unit further by pawl 84, the extension 89 striking the stop 92 and shifting slide 29 back into the lower end position, so that the release of the amount keys may take place at the end of the cash operation, segment 42 arrives from the range of key O into that of key D, key E is released and pawl 94 is lifted by stop 93 from the teeth 85. When key D is moved back into position of rest at the end of this last duplicate issuing operation, platel 87, which had been locked by pawl 84 after pawl 94 has been lifted, also returns, under the action of its spring 88, until its extension 89 abuts on the adjustable stop 91. In position of rest key D is locked by segment 42, so that the normal position of the machine is re-established. If arm 97 had been set to position 3, in which the extension 89 moves only in the third stroke of key D, three duplicate issuing operations would have been required to return the machine to normal state. W'lien arm 97 assumes position 1, slide 2 9.is lowered already in the first stroke of key D, so that only one duplicate is issued.

Instead of the maximum issue of three duplicates any other/desired number of duplicate issues may ofI course be provided for by correspondingly designing the series of ratchet teeth 85.

What we claim and desire to secure by Letters Patent, is:

1. In a machine of the class described three special keys, a locking device normally free-J ing the first two of'said keys and lockingthe third one, operative connections between said locking device and .the second key whereby upon depressing the second key the first key is locked and the third key is freed, and operative connections. between the third key and said locking device whereby upon depressing the third key the irst and second eys are freed. y 2. In a' machine of the class described three 4special ke s, a locking device adapted to lock one of sai keys, meansjwhereby said locking device is made operative by the second key and to be made inoperative by the third key, and another locking device between said second and third key adapted to prevent either the second or the third key from being depressed more than a determinedv number of times in succession.l

3. In a machine of the class described two keys, a locking device adapted to prevent the first key from being depressed `more than once in Succession, a locking means for norby said lever connection for disengaging said mally locking the second key and ada ted to be made inoperative-by depressing t e first key, and a returning device for relocking the second key and freeing the first key after an adjustable number of actuations of the secondkey.

4. In a machine of the class described a key, a lockin slide adapted to co-operate therewith an to be moved by depressing the key, a locking means movabl mounted on said locking slide and adapted7 to be put into operative position vwhen said locking slide is moved upon depressing the` key so as to lock the ke as soon as it is returned to its position o rest. a

5. In a machine of the class describedl a totalizer, a consecutive number device, means for adjusting said totalizer into operative position, comprising a manipulative means, a driving member2 a lever connection connected with said totallzer and adapted to be put into preparatory position in which it can be engaged by said drivin member upon operation of said manipu ative means and to adjust the totalizer into ino erative condition when driven b said driving member, an actuating device a a ted to actuate said consecutive number device at each operation of the machine, disengageable connections in said actuating device, and means controlled disengageable connections and rendering said actuating device inoperative as long as said totalizer is in inoperative condition.

6. The combination with a machine as specified in claim 17 of an actuating device adapted to actuate a consecutive number device at each operation of the machine, disengageable means thereon and connections between saiddisenga able means and said duplica'te key adapte to make inoperative said actuating'device upon operation of said duplicate ke 17. In a machine of the class described three i keys a locking slide havingl a slot and a lockin ace adapted to co-operate with the first o said keys, an inclined tace adapted to cooperate ywith the second key adapted to move the lookin slide to one of its end-positions, where sai locking face locks the first key, a

step by ste mechanism actuated by the third key and a aipted to move said locking slide to its other en position upon a definite number of depressions of the third key where the first key is freed by said slot.

8. In a machine of the class described a slide having two positions, a step by step mechanism comprlsing a ratchetsegment, a spring attached thereto, a restraining pawl 'for maintaining the ratchet segment in its position against the action of the spring, a projection on the slide adapted to co-operate with said ratchet se ent and to enable the slide to be moved to its 'second position'upon a definite number of step actuations of said ratchet segment, a lug on said slide adapted to co-operate with said restrainingpawl and to throw-out said restraining pawl when the slide reaches its second position whereby the ratchet segment becomes free to return under the action of said spring.

9. The combination with a machine as.

tablishing an operative relation between saidamount setting means and' said totalizer, releasing means for said amount setting means ada ted to release them at the'end o an operation of the machine, manipulative means for issuing an original voucher manipulative means Afor issuin duplicate vouchers, means actuated by sai first manipulative means, when operated for issuing an original voucher, for making said releasing means inoperative and preparing the making inoperative of said establishing means during the subsequent operation of said second manipulative means. I

11. In a machine of the ,class described, means for setting the machine for entering amounts, retaining means for said setting means, releasin means for said retainin means operated y the drivlng mechamsm o the machine, a common manipulative means Afor setting the machine to print an original Avoucher and for rendering said releasing means lnoperative, and a common mampulative means for setting the machine to print a duplicate voucher and --for rendering said means, releasin means' for said retainin means operated y the mechanism o the machine, the manipulative means for sete ting the machine to print an original voucher,

connections between said manipulative meansl and said releasing means adapted to render the latter inoperative when said manipulative means is operated, and manipulative means for setting the machine to print a duplicate voucher, said last mentioned manipulative means being adapted to operate upon said connections to return said releasing means to operative condition.

, 13. In a machine of the class described, means for setting the machine for entering amounts, retaining means for said setting means, releasin means for said retaining means operated' y the driving mechanism of the machine, a common manipulative means for setting the machine to print an original voucher and for rendering said releasing means inoperative, a common manipulative means for setting the machine to print a duplicate voucher and for renderin said releasing means operative again, an a third manipulative means for setting the machine for printing a single voucher.

14. In a machine of the class described,

three keys for setting the machine for three different kinds of operation, a locking slide having a slot and a locking face cooperating with one of said keys, cam means cooperating with a second of said keys, upon depression thereof, for positively moving said locking slide into one of its end positions, in which said locking. face locks said first mentioned key, and cam means cooperating with the third of said keys, upon depression thereof,

l for positively moving said locking slide into its other end position, in which said slot frees said first mentioned ke 15. In a machine of t e class described, two keys, pins on said keys, a locking slide, means cooperatin with said key pins to move the locking sli e from one end position to another and vice versa, a lockingmember mounted on said locking slide, means for yieldingly holding said locking member in a middle osition, said locking member being adaptedp to lock one or the other of said key pins, according to whether' said slide is in one end position or the other, two inclined faces on said locking member'covering the pin of the depresse key and yielding to said pin upon the return of said key, so as to enable said locking member to snap under said pin, when the key reaches its position of rest, after a determined number of depressions.

16. In a machine of the class described, two keys, pins thereon, a lookin slide having means cooperating with sai key pins to move said locking slidefrom one end position to another and vice versa, a locking member pivoted to said locking slide, means yieldably holding said locking member in a certain relation to saidslide, said locking member having a locking face cooperating with said key pins, said locking face bein concentric w1th respect to the pivot of sai locking member, said pins bemg arrested,

upon striking said locking face, without moving said locking member.

17. In a machine of the class described,y

,rendered inoperative by depression of said repeat key, means whereby said coupling means is rendered inoperative by depression of said duplicate key, and means whereby said releasing means is restored to operative condition upon depression of said duplicate ke I8. The combination with a machine as specified in claim 17, of locking means between said two keys compelling the operation of the machine following an operation initiated by said gepeat key to be initiated by said duplicate key.

19. In a machine of the class described, amount setting means, a totalizer, differential means lcontrolled by said amount setting means, means for coupling said totalizer to said differential means, manipulative means adapted to release an o eration of the machine in which said coup ing means is operative, and means whereby the machine 1s set by said manipulative means for a subsequent operation in which said coupling means is inoperative. v

20. The combination with a machine as specified in claim 17, of a normal key ada ted to release a normal operation of the machine in which said coupling and releasing means are both operative, a locking device adapted to lock said repeatand normal keys when the former is depressed, said locking means being adapted to release said repeat and normal keys when said duplicate key is depressed.

21. In .a machine of the classY described amount settin means, a totalizer, differential means contro led by said amount setting means, releasing means for said amount setting means adapted tobe operatedbythe driving mechanism of the machine, a repeat key and a duplicate key each adapted to release the driving mechanism of the machine., means whereby said totalizer is coupled to vsaid differential members durin an' operation of the machine released by sai repeat key, means whereby said releasing means is rendered inoperative by depression ofsaid repeat key, means whereby said coupling means is rendered inoperative by depression of said dupli- ISC cate key, and adjustable means whereby said releasing means is restored to operative condition at the last of a predetermined number of depressions of said du licate key.

22. In Aa machine of t e class described, v amount setting members, differential mechanism controlled thereby, .a printing mechanism connected with said differential mechanism, a totalizer, means for-coupling said totalizer to said differential mechanism, manipulative means adapted to release an original Avoucher printing' operation of the machine in which saidcoupling means is operated, manipulative means adapted to release a duplicate voucher printing operation, and mechanism controlled by said last-named manipulative means adapted to render said coupling means inoperative.

23. The combination with a machine as specified in claim 22, of a blocking device adapted to enforce an alternate operation of said manipulative means.

24. The combination with a machine as specified in claim 22, of releasing means for said amount setting members adapted to beI operated by the driving mechanism of the v machine, means controlled by said first-mentioned manipulative means for rendering said releasing means inoperative, and means controlled by said second-mentioned manipulative means for restoring said releasing means to operative condition. v K

The foregoing specification signed at Cologne, Germany, this 16th day of July, 1928.

Y KARL AUGUST LEHMANN.

ALEXANDER *VARREN.

ISO 

